<html>
<head>
	<title>a test where all selectors PASS</title>
</head>
<body>
<div id="container">
	<div id="intro">
		<h1>this is the first heading</h1>
	</div>
	<div class="article">
		<h1>this is the second</h1>
		here could be some article text... or something else.
	</div>
	<div class="article">
		<h1>and this completes the three headings</h1>
		so we now have a match of 1-2-3 (hopefully)
	</div>
</div>
</body>
</html>